Preheat oven to hot – 400 -450 F 220C
Sift flour, baking powder and salt. Stir in any fruit/cheese etc.
Melt the butter in the boiling water in a cup and add the milk to bring it up to 3/4 cup.
Pour wet ingredients into the dry. Mix quickly and lightly with a spoon. Mix should look soft and moist – add more milk if needed.
Pat out into a rectangle on a lightly floured counter and cut into shapes – 8-10.
Brush tops with milk and bake immediately in a hot oven for 10 minutes.

Best eaten the day they are made. Serve with butter.
USA - if they don't rise as much as they should, try increasing baking powder quantity.